| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a blade for a table tennis racket having appropriate repulsiveness and ball controllability together. <P>SOLUTION: The blade 5 constituting the table tennis racket is composed of a core member 7, intermediate members 10 provided on both sides of the core member 7 and a surface member 8 bonded on the outer side further. As the intermediate member 10, a fibrous sheet 102 formed by using carbon fibers of 50-200 tex(g/1,000m) as yarn 103, knitting the yarn 103 in four vertical, horizontal and±diagonal directions so that the ratio of gaps 9 between the yarns is big and thus piling up respective yarns, is used. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
